SDR UALA2012011600353

Service difficulty report · Module · Boeing 777222

Difficulty date: January 16, 2012
Submitted: January 17, 2012
Operation: Air carrier
Aircraft: N794UA
Make and model: Boeing 777222
Aircraft serial: 26953
Aircraft time: 63,365 hours, 9,037 cycles
Engine: Pwa PW40903
System (JASC): 3160 · Central Display
Part: Module
Part number: S243W0011401
Part serial: 104
Condition: Faulty
Location: Cockpit
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHEN DSP IS SELECTED TO ALTERNATE BOTH CENTER UPPER DISP, RT INBD, RT OTBD DISP, RT DSP CTR LOWER BLANK OUT FOR 2-3 SECONDS. THEY BLANK OUT IN A SEQUENCE. ACCOMPLISHED TROUBLESHOOTING PER MAINT MSG 31-82052 FIM 31-61 TASK 806, REPLACED CPM-GG M011 PER AMM, BORS'CO, SYSTEM OPERATES NORMAL.